These black aluminum alloy heat sinks have flared fins at 1-3/8" x 1-1/2" x 1/2" with (2) pins out one short side and (3) 1/8" mounting holes in the center. Wethinks these are PCB mounts for TO series chips.
Air Flow Sensor
This 4" x 3-3/4" x 1-3/4" medical take-out air sensor has (3) ports
coming off the main 3-1/8" x 3/4" ID chamber, (2) leading to one
sensor and the other leading to a second one, then through circuitry on a
mounted PC board leading to a 10-pin
output connector. Also has a PCB-mounted 3V coin cell battery. The sensors have
input, output and trigger voltage and a voltage output, but we have no specs.
Nice parts and pieces, though.
Okay, they’re just strips of metal, but CJ says one of each and a grapefruit will get you at least a “C” at the science fair. The copper electrode is 100mm long x 18mm wide x .8mm thick (3.94" x .7" x .041”). The zinc electrode is 4” long x 3/4” wide x .027” thick and stamped “ZN”. And both of them are awfully useful for crafters and jewelry makers, too.
This chassis-mounted in-line EMI filter from Schaffner (model #FN2020-3-06) accepts up to 3A at 110/250VAC. Unit measures 1-3/4" x 1-5/16" x 1-3/16" with (2) 3/16" mounting holes on side wings. Has 1/4" quick-disconnect terminals and has a wiring diagram on the housing. UL/CSA.
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